From Free60
There are ten sets of pin headers on the board.
They are numbered according to the PCB sections (J X Y N).
| ID
| #Pins
| Purpose
|
| J1D2
| 9
| XDK Debug Header #2
|
| J1F1
| 6
| Southbridge LED Header
|
| J2B1
| 13
| XDK Debug header
|
| J2D1
| 6
| Southbridge Header
|
| J2D2
| 8
| GPU Header
|
| J5C1
| 6
| ANA Header
|
| J5C2
| 6
| GPU SPI EEPROM Header
|
| J7F1
| 6
| CPU SPI EEPROM Header
|
| J7G1
| 3
| Aux Power Header
|
| J8C1
| 10
| CPU JTAG Header
|
J1D2, J2D1, J2D2
| J1D2
| Pin
| Signal
| Description
|
| 1
|
| Unknown
|
| 2
|
| Unknown
|
| 3
|
| Unknown
|
| 4
|
| Unknown
|
| 5
|
| Unknown
|
| 6
|
| Unknown
|
| 7
|
| Unknown
|
| 8
| GND
| Ground
|
| 9
| GND
| Ground
|
| J2D1
| Pin
| Signal
| Description
|
| 1
|
| Unknown
|
| 2
|
| Unknown
|
| 3
|
| Unknown
|
| 4
|
| Unknown
|
| 5
|
| Unknown
|
| 6
| GND
| Ground
|
| J2D2
| Pin
| Signal
| Description
|
| 1
|
| Unknown
|
| 2
|
| Unknown
|
| 3
|
| Unknown
|
| 4
|
| Unknown
|
| 5
|
| Unknown
|
| 6
| GND
| Ground
|
| 7
|
| Unknown
|
| 8
|
| Unknown
|
scheme: http://people.zeelandnet.nl/kbgeldof/j2b1_conn.JPG
